Network Security Engineer

Make an impact with NTT DATA

Join a company that is pushing the boundaries of what is possible. We are renowned for our technical excellence and leading innovations, and for making a difference to our clients and society. Our workplace embraces diversity and inclusion – it's a place where you can grow, belong and thrive.

Your day at NTT DATA

As a Network Security Engineer (L2) at NTT DATA, you will play an essential role in maintaining our clients' IT infrastructure and systems. Your expertise will help keep everything running smoothly by proactively monitoring, identifying, investigating, and resolving technical incidents and problems. You'll be the go-to person to restore services and ensure our clients' satisfaction.

Key Responsibilities:

• Responsible for day-to-day firewall operations, incident response, and change management support.
• Monitor, configure, and maintain Palo Alto NGFWs, including policy changes, NAT, VPN tunnels, and rule base management.
• Support Azure Firewall, NSGs, and Application Gateway WAF configurations.
• Manage AWS Security Groups, NACLs, and assist in AWS Network Firewall operations.
• Perform L2-level troubleshooting for firewall connectivity, security events, and network anomalies.
• Analyse traffic logs and firewall alerts to identify and escalate potential threats.
• Perform firewall firmware upgrades, patches, and configuration hardening.
• Perform regular firewall rule reviews and ensure compliance with security policies.
• Document incidents, configuration changes, and operational procedures.
• Generate reports on firewall utilization, security alerts, and network events.

Skills & Qualifications:

• 3+ years of experience in network security operations.
• Hands-on experience with Palo Alto Firewalls (PAN-OS) and basic policy management.
• Experience with Azure Firewall, NSGs, and basic cloud network security tasks.
• Experience with AWS Security Groups, NACLs, or AWS Network Firewall.
• Understanding of TCP/IP, VPNs, routing, switching, and network segmentation.
• Familiarity with firewall monitoring tools and log analysis.
• Certifications preferred:
• Palo Alto Networks Certified Cybersecurity Associate (PCCSA) or PCNSA
• Azure Security Engineer Associate (AZ-500)
• AWS Certified Security Specialty

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About NTT DATA

NTT DATA is a $30+ billion business and technology services leader, serving 75% of the Fortune Global 100. We are committed to accelerating client success and positively impacting society through responsible innovation. We are one of the world's leading AI and digital infrastructure providers, with unmatched capabilities in enterprise-scale AI, cloud, security, connectivity, data centers and application services. Our consulting and industry solutions help organizations and society move confidently and sustainably into the digital future. As a Global Top Employer, we have experts in more than 50 countries. We also offer clients access to a robust ecosystem of innovation centers as well as established and start-up partners. NTT DATA is part of NTT Group, which invests over $3 billion each year in R&D.

Equal Opportunity Employer

NTT DATA is proud to be an Equal Opportunity Employer with a global culture that embraces diversity. We are committed to providing an environment free of unfair discrimination and harassment. We do not discriminate based on age, race, colour, gender, sexual orientation, religion, nationality, disability, pregnancy, marital status, veteran status, or any other protected category. Join our growing global team and accelerate your career with us. Apply today.

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